Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
van toan » van tuan, van tan, van thanh
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((hanh tram) or (thanh toan)) van dung cong ((van toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh tram) OR (thanh toan)) van dung cong ((van toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh tram) or (thanh toan)) van dung cong ((van toan) or (dan than)) cau*.